Home / 779,718.30-1,169,747.55-442,920.30

Finding the Fourth Proportional to 779,718.30, 1,169,747.55 and 442,920.30

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Solution

The fourth proportional to 779,718.30, 1,169,747.55 and 442,920.30 is: 664,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,718.30 : 1,169,747.55 = 442,920.30 : x
  2. Step 2: Convert to fraction form
    779,718.30/1,169,747.55 = 442,920.30/x
  3. Step 3: Cross multiply
    779,718.30x = 1,169,747.55 × 442,920.30
  4. Step 4: Simplify right side
    779,718.30x = 518,104,935,770.27
  5. Step 5: Solve for x
    x = 518,104,935,770.27/779,718.30
  6. Step 6: Final answer
    x = 664,477.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.